Re: Do ramdisk exec's map direct to buffer cache?

From: Erik Andersen (andersen@codepoet.org)
Date: Wed Jul 26 2000 - 11:26:02 EST


On Wed Jul 26, 2000 at 04:35:24PM +0100, Alan Cox wrote:
> > >If you've already got a filesystem, may I recommend you drop cramfs,
> > >and use jffs over readonly compressed loopback? That way you don't
> > >need the cramfs code (or its in-built limitations)
> >
> > Ehh..
> >
> > At least cramfs works. I have about ten reports of loopback not working
> > lately, and I'm likely to disable it completely unless somebody steps in
> > to maintain the damn thing.
>
> Cramfs is ugly, but JFFS over compressed loopback is not the answer. Philipp
> Rumpf did a compression hack for JFFS so you can just run pure JFFS over
> MTD. For an embedded box combine that with RAMFS and you can ifdef out the
> entire block layer.

Unless you use disk-on-module (flash that plugs into an IDE connector),
since JFFS is no longer capable of working with a block device...

 -Erik

--
Erik B. Andersen   Web:    http://www.xmission.com/~andersen/ 
                   email:  andersee@debian.org
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